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28702041 = 39567347
BaseRepresentation
bin110110101111…
…1010101011001
32000000012210120
41231133111121
524321431131
62503103453
7465651264
oct155372531
960005716
1028702041
11152242a5
129741b89
135c3c274
143b51cdb
1527be496
hex1b5f559

28702041 has 4 divisors (see below), whose sum is σ = 38269392. Its totient is φ = 19134692.

The previous prime is 28702033. The next prime is 28702061. The reversal of 28702041 is 14020782.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28702041 - 23 = 28702033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28702061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4783671 + ... + 4783676.

It is an arithmetic number, because the mean of its divisors is an integer number (9567348).

Almost surely, 228702041 is an apocalyptic number.

It is an amenable number.

28702041 is a deficient number, since it is larger than the sum of its proper divisors (9567351).

28702041 is an equidigital number, since it uses as much as digits as its factorization.

28702041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9567350.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 28702041 is about 5357.4285809519. The cubic root of 28702041 is about 306.1758462139.

The spelling of 28702041 in words is "twenty-eight million, seven hundred two thousand, forty-one".

Divisors: 1 3 9567347 28702041